WM8950GEFL-V Datasheet

ADC with Microphone Input and Programmable Digital Filters


The WM8950 is a low power, high quality mono ADC designed for  portable  applications  such  as  Digital  Still  Camera,  Digital Voice Recorder or games console accessories.
The device integrates support for a differential or single ended mic.  External  component  requirements  are  reduced  as  no separate microphone amplifiers are required.

•  Mono ADC:
• Audio sample rates:8, 11.025, 16, 22.05, 24, 32, 44.1, 48kHz
• SNR 95dB, THD -85dB (‘A’-weighted @ 8 – 48ks/s)
• Multiple auxiliary analog inputs
•  Mic Preamps:
• Differential or single end Microphone Interface
-  Programmable preamp gain
-  Psuedo differential inputs with common mode rejection
-  Programmable ALC / Noise Gate in ADC path
• Low-noise bias supplied for electret microphones
• 5 band EQ
• Programmable High Pass Filter (wind noise reduction)
• Fully Programmable IIR Filter (notch filter)
• On-chip PLL
• Low power, low voltage
-  2.5V to 3.6V (digital: 1.71V to 3.6V)
-  power consumption TBD all-on 48ks/s mode
• 4x4x0.9mm 24 pin QFN package

• Digital Still Camera
• General Purpose low power audio ADC
• Games console accessories
• Voice recorders






Manufacturer information

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